Automatic controller for explosion-motor-driven mechanism.



o. H. TAYLGR. vAUTOMATIC CONTROLLER FOR EXPLOSION MOTOR DRIVEN MEGHANISM.

\ APPLICATION FILED MAR..29, 1911. 1,068,945, Patented July 29, 191.3.

O/P j lgl.

40 mission of the vehicle.'

' CECIL HAMELN TAYLOR, OF DETROIT, MICHIGAN.

AUTOMATIC CONTROLLER FOR EXPLOSION-MOTOR-DRIVEN lMECHANISM. I

specifica/1bn f Leiters Patent.

Patented July 29, 1913.

Application led March 29, 1911. Serial No. 617,574.

To all whom, it may concern:

Be it known that I, Cnoir, IIAMELIN TAYLOR, a citizen of the United States of America, residing at Detroit, in the county of Vayne and State of Michigan, have' invented certain new and useful Improvements in Automatic Controllers for EX- plosion-Motor-Driven `Mechanism, of which the following is a specification, reference being had therein' to the accompanying l drawings.

The invention relates to a controller more particularly designed forY use in connection with motor vehicles, and it is the object of 41.5 thcinvention to prevent the operation of the mechanism under abnormal conditions.

To this end the invention consists first in the means for controllin the niotor by the short circuiting of the ignition circuit,

second, in the means for operating said controller by the lubricating system, and further in various features of construction as hereinafter set forth.

In the'drawings, Figure l is a longitudinal section of the controller showing diagrammatically the magneto generator and arrangement of ignition circuits; Fig. 2 is a side elevation.

For use in commercial Work it is desirable to obtain motor vehicle constructions which require for their operationv a minimum amount of intelligence or skill on the part of the operator. One of the vital parts of the mechanism is the lubricating-system and frequently serious damage may be done to the car by the operation of the same without proper lubrication. Again it is. desirable to guard against over speeding of the motor whether or not it is capable, with the trans- I have therefore, devised a construction Iin which the opera-y tion of the motor is dependent upon the operativeness of the lubricating system and .by which a governing effect is also produced preventing over speeding.

In detail, A is a propelling pump for the lubricant and which is arranged in any desired relation to the motor and mechanism driven thereby (not shown). This pump is shown as of the intermeshing gear type, the' lubricant bein discharged linto alchambr B from which 1t is fed through a conduit to the various bearings to be lubricated and is returned through a conduit D to the lE 1s a plunger or piston which is arranged -a stoppage in the flow in the4 path of the lubricant passing from the chamber B to the conduit C. This piston is preferably of a tapering form fit-ting a correspondingly tapering passage in a casing F which connects the chamber B with a chamber G communicating with the return conduit D.

His a spring for holding the piston E against the tapering seat and I is a shank extending rearward from the piston and passing out through a packing gland J into l a chamber K.

L is an electrical 'contact member located Within the chamber K and mounted upon an insulator support M. This cont-act is connected by a suitable conductor N with one' of the leads lfrom the magnet-o generator O, the arrangement being such that when a knob P on the shank I- contacts with the meniberL the magneto will be grounded or short circuited. l

With the construction as described it is evident that when the mechanism vis at rest the piston E will vbe held-by the spring I-I against the conical seat which will cut-oil communication between the chamber B and the outlet conduit C of the lubricating system, In this position of parts the knob l? will be in electrical contact with the member K and thus short circuits the magneto generator. In starting' the engine, the initial cranking will impart suicient movement to the gear pump to cause the pressure of the lubricant in the chamber B to Jforce backward the piston E and thereby break the short circuit connection for the magneto. This will permit the igniter to operate and the enginel may thus be started in the usual way. On the other hand, if there is a failure in supply of lubricant there will be nothing to cause the movement of the piston E, and by reason of the grounding or short circuiting of the magneto theengine cannot be started. After the engine has been successfully started and the vehicle 4set in motion, the constant How of' lubricant from the chamber B will hold back the piston E so as to continue the operativeness of the ignit-ion system, butI any time when there is failure in the supply, the spring will return the pistonv and will short circuit the magneto.

If the en 'ne is driven at normal speed of the lubricant, or a flow through the clearance between the tapering piston E and thetapering recess,`

- this constituting a by-pass to the inlet chamber G of the' pump. An abnormal speed of the motor Will increase the volume of oil `forced through the by-pass thereby increasing the pressure and pushing the vpistonbackward'still fartheragainst the tension of the spring H. rlhis additional movement of the piston Will force the contact F against. another bearing Q on the member L which will again short circuit, interrupting the operation of the igniters.y This in turn will temporarily prevent the operation of lthe engine until the speed'is decreased, Whereupon the contact Q will again be withdrawn and the short circuit broken.

It is obvious that the controller above de? l scribed may be employed in connection with any explosion motor driven mechanism, but it is particularly applicable for use in connection with motor vehicles'.

What I claim as my invention is: y l. The combination with explosion driven mechanism, of a iiuid pump operated by said mechanism, an ignition system, means for v short circuiting s aid ignition system, and

means operated by the iiuid propelled by said pump for .opening said short circuit.

2. The combination With a motordriven l 4. The combination with a fluid pum of' an electric circuit, and means lcontro ing said circuit operated upon an abnormal under or overflowof the liquid lWithin the Dump.

^ 5. The combination-with a duid pump, of v incassa a springpressed a. iston subjected to the fluid pressure deve oped by said pump, an electric circuit, and means actuated by the plunger for controlling said circuit operated 4upon an ab normal under and overflow of thel'liquid in the pump. 6. The-comb' ation with a fluid pump, of iston arranged in the path ofthe iiuid prope led by said pump, an electric circuit, meansy actuated by said springp'ressed piston Ifor ycontrolling said circuit operated. upon an abnormal under'and overiiow of the liquid Within the pump.

-v 7 The combination with a luidcpump, of

a spring pressed piston normally obstructing the flow of ijuid from said pump, and movablefby the ressure of the fluid out'ot` the path thereof? an electric circuit, and means actuated by the spring-pressed pistonv for controlling said circuit .operated upon an abnormal under or overflow of the liquid in the pump. l;

8. The combination with explosion motor driven mechanism, of a lubricating system, a {iuid pump for propelling thelubricant ac- 'tuated by said mechanism, and means controlling said mechanism operated by an abnormal over or under pressure ofviiuld 1n said lubricating system.

V9. The combination with a lubricatinygsystem for'v eXplosionmotor driven mechanism,

of means for stopping the motor upon an abnormal flow of lubricant in the lubricating system. 'l

10. The combination with a lubricating 'system for explosion motor driven mechanism, of vmeans for rendering `the ignition system inoperative upon an abnormal -iovv of lubricant in the lubricating system.

ln testimony whereof l aiiix my signature in presence of two witnesses.

l i onora nAMnLiN TAYLOR.

" Witnesses s i 'Janne l?. Banni?, W. J.. BEmrNAr. 

